Greek alphabet of SIGMA is embroidered on the front crown of cap.6 colored small ventilation holes placed on each panel.Front crown is constructed.Colored bill is stiff and flat, green color under bill.6 panels.High profile.Our SIGMA embroidery cap is wonderful for representing Greek alphabet, saying, wording, and for any other outing.All Season.7.5(W) X 11(L) X 4(H) inches.Thick, soft and light material.Available in different colors and styles.